JK830 All-In-One DTH Automatic Drilling Rig Crawler Mounted Hydraulic DTH Drilling Rig Hydraulic Crawler Drills. Crawler Mounted Drilling Rigs JK830, the new all-in-one DTH drilling rig which features JK Drilling's latest automation technology, is efficient, reliable and easily operational.  With a FOPS-approved cabin coming standard, the rig is also equipped with automatic pipe exchanger and widened heavy-duty undercarriage that can provides both fast maneuver and better safety.  The hydraulic dust collector meets the requirement of environment protection and is a reliable solution to modern mining with less environmental impacts. More information you can views here Items Specs Unit Value Body Weight kg 24000 Length mm 9785 Width mm 3200 Height mm 3500 Undercarriage Track length mm 3646 Ground contact length mm 2875 Track center distance mm 2200(whole width 2700) Track width mm 500 Ground clearance mm â?¥400 Track oscillation ° ±10° Walking motor Eaton Walking speed Km/h 1.8(low), 2.95(high) Max. tractive force KN 170 Grade ability ° 20° Engine Model QSZ13-C450-30 (Cummins) Type Water-cooled six-cylinder EFI diesel engine Rated power Kw/RPM 335/2100 Fuel tank capacity L 760 Hydraulic pump/valve Main pump Variable load-sensing piston pump Main valve Load-sensing valve Manufacturer Rexroth Air compressor Model Airman SK900 Type Dual stage rotary screw air compressor Working pressure bar 17.5 (medium), 24 (high) Max. air delivery m3/min 23.5 Rotary motor Hydraulic rotation unit Dual motors (Eaton) Rotation rate rpm 0-70 Max. rotation torque N.m 3900 Feeding method Motor-driven planetary gearbox + Chain Fast feeding rate m/ min 30 Feeding rate m/ min 4.7 Max. lifting rate m/ min 5.5 Feeding force kN 0-30 (adjustable) Lifting force kN 30 Feeding boom Length mm 8500 Feeding stroke mm 5500 Feed extension mm 800 Swing angle ° Left 95°, right 35° Drilling arm Type mm Telescopic single straight boom (length 760mm) Tilt angle ° 30°(up), 10°(down) Swing angle ° Left(cabin side)10°, Right 35° Pipe exchanger Pipe diameter mm 102/114 Pipe length m 5 Drilling diameter mm 115-203 Drilling depth m 30 Pipe capacity pc 5+1 Hammer specs 5"/ 6" Dust collector Filter element 20 Collecting method Air pulse jet Dust cover Sliding